PLB 200: Introductory Biology I

Explore the essential role and composition of blood plasma in our body. Understand how water, as the main component, helps in maintaining vital functions. Learn the importance of plasma balance for overall health insights.

Explore the intricate components of the endomembrane system within a cell. Identify which structures belong to this system and which do not, with a specific focus on the unique role of the chloroplast.

Discover the essential role of the mantle in mollusks, the protective tissue responsible for shell secretion or organ protection. Explore how land snails, clams, and octopuses utilize their mantles for distinct purposes.

Explore the fascinating interaction between electrical energy charge and materials through the lens of an electroscope. Discover how inserting a conductor between its charged foil sheets changes the charge dynamics leading to an attraction between foil and needle. Understand the roles of conductors insulators and charge induction in this intriguing experiment.

Explore the indispensable role of decomposers in ecosystems. Understand their impact on nutrient cycling, energy flow, and ecological balance. Realize what Earth would face without these vital organisms.

Discover the essence of hydrostatic pressure and its significance in capillary beds, examining its relationship with colloid osmotic pressure and how it affects fluid movement in our circulatory system.